Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/60-15 | 170/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.56 (573) | 25.71 (653) | 3.15 (80) 14% |
| Width inches (mm) | 6.3 (160) | 6.69 (170) | 0.39 (10) 6.3% |
| Circum. inches (mm) | 70.87 (1800.13) | 80.77 (2051.46) | 9.89 (251.33) 14% |
| Sidewall Height inches (mm) | 3.78 (96) | 5.35 (136) | 1.57 (40) 41.7% |
| Revolutions per mile (km) | 894.01 (555.51) | 784.49 (487.46) | -109.53 (-68.06) -12.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.79 mph (36.68 km/h) |
| 25 mph (40.23 km/h) | 28.49 mph (45.85 km/h) |
| 30 mph (48.28 km/h) | 34.19 mph (55.02 km/h) |
| 35 mph (56.33 km/h) | 39.89 mph (64.19 km/h) |
| 40 mph (64.37 km/h) | 45.58 mph (73.36 km/h) |
| 45 mph (72.42 km/h) | 51.28 mph (82.53 km/h) |
| 50 mph (80.47 km/h) | 56.98 mph (91.7 km/h) |
| 55 mph (88.51 km/h) | 62.68 mph (100.87 km/h) |
| 60 mph (96.56 km/h) | 68.38 mph (110.04 km/h) |
| 65 mph (104.61 km/h) | 74.08 mph (119.21 km/h) |
| 70 mph (112.65 km/h) | 79.77 mph (128.38 km/h) |
| 75 mph (120.7 km/h) | 85.47 mph (137.55 km/h) |
| 80 mph (128.75 km/h) | 91.17 mph (146.72 km/h) |
| 85 mph (136.79 km/h) | 96.87 mph (155.89 km/h) |
| 90 mph (144.84 km/h) | 102.57 mph (165.06 km/h) |
| 95 mph (152.89 km/h) | 108.26 mph (174.23 km/h) |
| 100 mph (160.93 km/h) | 113.96 mph (183.4 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 2319 | 2498 | 2608 | 2727 | 2812 | 2905 | 3016 | 3169 | 3322 | 3492 | 3627 | 3874 | 4146 | 4358 | 4494 | 4570 | 4851 | 5242 | 6091 |
Better Fuel Economy Factory Ratios Increased Power
